A new poll has Rick Nolan leading Rep. Chip Cravaack by three percentage points. Take note: the survey was commissioned by a Democratic PAC dedicated to putting more liberals in the House and several unions.

About the blogger

Catharine Richert covers politics for MPR News, and writes PoliGraph, a fact-checking feature that gets behind the spin in Minnesota politics. She has also contributed to MPR’s coverage of the federal health care overhaul. Catharine joined the MPR newsroom in 2011 after finishing a master’s degree at the U of M’s Humphrey School of Public Affairs. Previously, Catharine worked for PolitiFact.com and Congressional Quarterly. She lives in St. Paul with her husband and son.